General Science Practice Question and Answer
8 Q: Which one of the following is not an antioxidant?
539 062e7de3c4404a856fa0e884c
62e7de3c4404a856fa0e884c- 1Vitamin Efalse
- 2Seleniumfalse
- 3Lycopenefalse
- 4Aspartametrue
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Answer : 4. "Aspartame"
Explanation :
All of the following are peroxidases.
(A) Vitamin E
(B) Selenium
(C) Lycopene Q: Which is used to make synthetic fibers?
453 063bd22e074eba5069d47d983
63bd22e074eba5069d47d983- 1HClfalse
- 2Bleaching powderfalse
- 3chlorinefalse
- 4NaOHtrue
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Answer : 4. "NaOH"
Q: First mammal to be cloned was -
494 062e7dd2e4404a856fa0e86db
62e7dd2e4404a856fa0e86db- 1Sheeptrue
- 2Goatfalse
- 3Ratfalse
- 4Frogfalse
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Answer : 1. "Sheep "
Explanation :
Dolly (5 July 1996 – 14 February 2003) was a female domestic sheep, and the first mammal cloned from an adult somatic cell using the process of nuclear transfer.
Q: Which is called the emergency hormone in the human body?
557 062e7dc304404a856fa0e85f4
62e7dc304404a856fa0e85f4- 1Thyroxinfalse
- 2Insulinfalse
- 3Adrenalinetrue
- 4Progesteronefalse
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Answer : 3. "Adrenaline "
Explanation :
1. It is secreted in the adrenal gland into the medulla as well as in some neurons of the central nervous system.
2. It is known as an emergency hormone because it initiates an instant response that causes the person to think about the stress and react quickly.
Q: The escape velocity of the Earth is?
715 061d6b203864c7424f943f89f
61d6b203864c7424f943f89f- 115.0 km/secfalse
- 221.1 km/secfalse
- 37.0 km/secfalse
- 411.2 km/sectrue
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Answer : 4. "11.2 km/sec"
Explanation :
1. The lowest velocity used to escape the gravitational pull of the Earth is called escape velocity.
2. The escape velocity of the Earth is 11.2 km/second.
Q: Pancreatic juice contains which enzyme that breaks down emulsified fats?
608 062e7dacdefd77421d9572e02
62e7dacdefd77421d9572e02- 1Lipasetrue
- 2Pepsinfalse
- 3Trypsinfalse
- 4Amylasefalse
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Answer : 1. "Lipase"
Explanation :
1. Pancreatic juice contains a lipase enzyme, which decomposes emulsified fats.
2. Lipase: It is an enzyme found in pancreatic juice and responsible for the breakdown of emulsified fats.
Q: Manikya (Ruby) and Sapphire are the oxides of?
527 063bd228c74eba5069d47d896
63bd228c74eba5069d47d896- 1calciumfalse
- 2aluminumtrue
- 3siliconefalse
- 4Silverfalse
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Answer : 2. "aluminum"
Explanation :
Manikya, also known as ruby, and sapphire are gemstones that are forms of the mineral corundum. Corundum is not an oxide but rather a crystalline form of aluminum oxide (Al₂O₃). Both ruby and sapphire are varieties of corundum, with ruby being red due to the presence of chromium impurities, and sapphire coming in various colors, except red (which would be classified as ruby), often due to different trace elements.
Q: Which one of the following is not correctly matched?
485 062e7ce0defd77421d956ed23
62e7ce0defd77421d956ed23- 1DPT - Vaccinefalse
- 2DOTS - Tuberculosisfalse
- 3Adrenaline - Hormonefalse
- 4AB+ Blood group - Universal Donortrue
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Answer : 4. "AB+ Blood group - Universal Donor "
Explanation :
All of the following are matched.
(A) DPT - Vaccine
(B) DOTS - Tuberculosis
(C) Adrenaline - Hormone